[fidl] Remove obsolete alias for fuchsia.hardware.block.

Bug: 36547
Change-Id: I0cc1af2853671e9e4e10805a8300d556ff907447
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/393495
Reviewed-by: Shai Barack <shayba@google.com>
Commit-Queue: P.Y. Laligand <pylaligand@google.com>
diff --git a/zircon/system/fidl/fuchsia-hardware-block/BUILD.gn b/zircon/system/fidl/fuchsia-hardware-block/BUILD.gn
deleted file mode 100644
index d34afa6..0000000
--- a/zircon/system/fidl/fuchsia-hardware-block/BUILD.gn
+++ /dev/null
@@ -1,9 +0,0 @@
-# Copyright 2020 The Fuchsia Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import("//build/unification/fidl_alias.gni")
-
-fidl_alias("fuchsia-hardware-block") {
-  sdk_category = "partner"
-}